| // RUN: echo -n "GPU binary would be here." > %t | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -target-sdk-version=8.0 -fcuda-include-gpubinary %t -o - \ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s \ | 
 | // RUN:       --check-prefixes=ALL,LNX,NORDC,CUDA,CUDANORDC,CUDA-OLD | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -target-sdk-version=8.0  -fcuda-include-gpubinary %t \ | 
 | // RUN:     -o - -DNOGLOBALS \ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s \ | 
 | // RUN:     -check-prefixes=NOGLOBALS,CUDANOGLOBALS | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -target-sdk-version=8.0 -fgpu-rdc -fcuda-include-gpubinary %t \ | 
 | // RUN:     -o - \ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s \ | 
 | // RUN:       --check-prefixes=ALL,LNX,RDC,CUDA,CUDARDC,CUDA-OLD | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -target-sdk-version=8.0 -o - \ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s -check-prefix=NOGPUBIN | 
 |  | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s       \ | 
 | // RUN:     -target-sdk-version=9.2 -fcuda-include-gpubinary %t -o - \ | 
 | // RUN:   | FileCheck %s -allow-deprecated-dag-overlap \ | 
 | // RUN:       --check-prefixes=ALL,LNX,NORDC,CUDA,CUDANORDC,CUDA-NEW | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -target-sdk-version=9.2 -fcuda-include-gpubinary %t -o -  -DNOGLOBALS \ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s \ | 
 | // RUN:       --check-prefixes=NOGLOBALS,CUDANOGLOBALS | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -target-sdk-version=9.2 -fgpu-rdc -fcuda-include-gpubinary %t -o - \ | 
 | // RUN:   | FileCheck %s -allow-deprecated-dag-overlap \ | 
 | // RUN:       --check-prefixes=ALL,LNX,RDC,CUDA,CUDARDC,CUDA-NEW | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s -std=c++17 \ | 
 | // RUN:     -target-sdk-version=9.2 -fcuda-include-gpubinary %t -o - \ | 
 | // RUN:   | FileCheck %s -allow-deprecated-dag-overlap \ | 
 | // RUN:       --check-prefixes=ALL,LNX,NORDC,CUDA,CUDANORDC,CUDA-NEW,LNX_17,NORDC17 | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s -std=c++17 \ | 
 | // RUN:     -target-sdk-version=9.2 -fgpu-rdc -fcuda-include-gpubinary %t -o - \ | 
 | // RUN:   | FileCheck %s -allow-deprecated-dag-overlap \ | 
 | // RUN:       --check-prefixes=ALL,LNX,RDC,CUDA,CUDARDC,CUDA-NEW,LNX_17,RDC17 | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -target-sdk-version=9.2 -o - \ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s -check-prefix=NOGPUBIN | 
 |  | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -fcuda-include-gpubinary %t -o - -x hip\ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s --check-prefixes=ALL,LNX,NORDC,HIP,HIPEF | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -fcuda-include-gpubinary %t -o -  -DNOGLOBALS -x hip \ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s -check-prefixes=NOGLOBALS,HIPNOGLOBALS | 
 | // RUN: %clang_cc1 -triple x86_64-linux-gnu -emit-llvm %s \ | 
 | // RUN:     -fgpu-rdc -fcuda-include-gpubinary %t -o - -x hip \ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s --check-prefixes=ALL,LNX,RDC,HIP,HIPEF | 
 | // RUN: %clang_cc1 -cuid=123 -triple x86_64-linux-gnu -emit-llvm %s -o - -x hip\ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s -check-prefixes=ALL,LNX,NORDC,HIP,HIPNEF | 
 |  | 
 | // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -aux-triple amdgcn -emit-llvm %s \ | 
 | // RUN:     -fcuda-include-gpubinary %t -o - -x hip\ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s --check-prefixes=ALL,WIN | 
 |  | 
 | // RUN: %clang_cc1 -cuid=123 -triple x86_64-pc-windows-msvc -aux-triple amdgcn -emit-llvm %s \ | 
 | // RUN:     -o - -x hip\ | 
 | // RUN:   | FileCheck -allow-deprecated-dag-overlap %s --check-prefixes=ALL,WIN,HIP,HIPNEF | 
 |  | 
 | #include "Inputs/cuda.h" | 
 |  | 
 | #ifndef NOGLOBALS | 
 | // NORDC-DAG: @device_var = internal global i32 | 
 | // RDC-DAG: @device_var = global i32 | 
 | // WIN-DAG: @"?device_var@@3HA" = internal global i32 | 
 | __device__ int device_var; | 
 |  | 
 | // NORDC-DAG: @constant_var = internal global i32 | 
 | // RDC-DAG: @constant_var = global i32 | 
 | // WIN-DAG: @"?constant_var@@3HA" = internal global i32 | 
 | __constant__ int constant_var; | 
 |  | 
 | // NORDC-DAG: @shared_var = internal global i32 | 
 | // RDC-DAG: @shared_var = global i32 | 
 | // WIN-DAG: @"?shared_var@@3HA" = internal global i32 | 
 | __shared__ int shared_var; | 
 |  | 
 | // Make sure host globals don't get internalized... | 
 | // LNX-DAG: @host_var ={{.*}} global i32 | 
 | // WIN-DAG: @"?host_var@@3HA" = dso_local global i32 | 
 | int host_var; | 
 | // ... and that extern vars remain external. | 
 | // LNX-DAG: @ext_host_var = external global i32 | 
 | // WIN-DAG: @"?ext_host_var@@3HA" = external dso_local global i32 | 
 | extern int ext_host_var; | 
 |  | 
 | // external device-side variables -> extern references to their shadows. | 
 | // LNX-DAG: @ext_device_var = external global i32 | 
 | // WIN-DAG: @"?ext_device_var@@3HA" = external dso_local global i32 | 
 | extern __device__ int ext_device_var; | 
 | // LNX-DAG: @ext_device_var = external global i32 | 
 | // WIN-DAG: @"?ext_constant_var@@3HA" = external dso_local global i32 | 
 | extern __constant__ int ext_constant_var; | 
 |  | 
 | // external device-side variables with definitions should generate | 
 | // definitions for the shadows. | 
 | // NORDC-DAG: @ext_device_var_def = internal global i32 undef, | 
 | // RDC-DAG: @ext_device_var_def = global i32 undef, | 
 | // WIN-DAG: @"?ext_device_var_def@@3HA" = internal global i32 undef | 
 | extern __device__ int ext_device_var_def; | 
 | __device__ int ext_device_var_def = 1; | 
 | // NORDC-DAG: @ext_device_var_def = internal global i32 undef, | 
 | // RDC-DAG: @ext_device_var_def = global i32 undef, | 
 | // WIN-DAG: @"?ext_constant_var_def@@3HA" = internal global i32 undef | 
 | __constant__ int ext_constant_var_def = 2; | 
 |  | 
 | #if __cplusplus > 201402L | 
 | // NORDC17: @inline_var = internal global i32 undef, comdat, align 4{{$}} | 
 | // RDC17: @inline_var = linkonce_odr global i32 undef, comdat, align 4{{$}} | 
 | // NORDC17-NOT: @inline_var2 = | 
 | // RDC17-NOT: @inline_var2 = | 
 | // NORDC17: @_ZN1C17member_inline_varE = internal constant i32 undef, comdat, align 4{{$}} | 
 | // RDC17: @_ZN1C17member_inline_varE = linkonce_odr constant i32 undef, comdat, align 4{{$}} | 
 | // Check inline variable ODR-used by host is emitted on host and registered. | 
 | __device__ inline int inline_var = 3; | 
 | // Check inline variable not ODR-used by host is not emitted on host or registered. | 
 | __device__ inline int inline_var2 = 5; | 
 | struct C { | 
 |   __device__ static constexpr int member_inline_var = 4; | 
 | }; | 
 | #endif | 
 |  | 
 | void use_pointers() { | 
 |   const int *p; | 
 |   p = &device_var; | 
 |   p = &constant_var; | 
 |   p = &shared_var; | 
 |   p = &host_var; | 
 |   p = &ext_device_var; | 
 |   p = &ext_constant_var; | 
 |   p = &ext_host_var; | 
 | #if __cplusplus > 201402L | 
 |   p = &inline_var; | 
 |   decltype(inline_var2) tmp; | 
 |   p = &C::member_inline_var; | 
 | #endif | 
 | } | 
 |  | 
 | __device__ void device_use() { | 
 | #if __cplusplus > 201402L | 
 |   const int *p = &inline_var2; | 
 | #endif | 
 | } | 
 |  | 
 | // Make sure that all parts of GPU code init/cleanup are there: | 
 | // * constant unnamed string with the device-side kernel name to be passed to | 
 | //   __hipRegisterFunction/__cudaRegisterFunction. | 
 | // ALL: @0 = private unnamed_addr constant [18 x i8] c"_Z10kernelfunciii\00" | 
 | // * constant unnamed string with the device-side kernel name to be passed to | 
 | //   __hipRegisterVar/__cudaRegisterVar. | 
 | // ALL: @1 = private unnamed_addr constant [11 x i8] c"device_var\00" | 
 | // ALL: @2 = private unnamed_addr constant [13 x i8] c"constant_var\00" | 
 | // ALL: @3 = private unnamed_addr constant [19 x i8] c"ext_device_var_def\00" | 
 | // ALL: @4 = private unnamed_addr constant [21 x i8] c"ext_constant_var_def\00" | 
 | // * constant unnamed string with GPU binary | 
 | // CUDA: @[[FATBIN:.*]] = private constant{{.*}} c"GPU binary would be here.", | 
 | // HIPEF: @[[FATBIN:.*]] = private constant{{.*}} c"GPU binary would be here.",{{.*}}align 4096 | 
 | // HIPNEF: @[[FATBIN:__hip_fatbin_[0-9a-f]+]] = external constant i8, section ".hip_fatbin" | 
 | // CUDANORDC-SAME: section ".nv_fatbin", align 8 | 
 | // CUDARDC-SAME: section "__nv_relfatbin", align 8 | 
 | // * constant struct that wraps GPU binary | 
 | // ALL: @__[[PREFIX:cuda|hip]]_fatbin_wrapper = internal constant | 
 | // LNX-SAME: { i32, i32, ptr, ptr } | 
 | // CUDA-SAME: { i32 1180844977, i32 1, | 
 | // HIP-SAME: { i32 1212764230, i32 1, | 
 | // CUDA-SAME: ptr @[[FATBIN]], | 
 | // HIPEF-SAME: ptr @[[FATBIN]], | 
 | // HIPNEF-SAME:  ptr @[[FATBIN]], | 
 | // LNX-SAME: ptr null } | 
 | // CUDA-SAME: section ".nvFatBinSegment" | 
 | // HIP-SAME: section ".hipFatBinSegment" | 
 | // * variable to save GPU binary handle after initialization | 
 | // CUDANORDC: @__[[PREFIX]]_gpubin_handle = internal global ptr null | 
 | // HIPNEF: @__[[PREFIX]]_gpubin_handle_{{[0-9a-f]+}} = internal global ptr null, align 8 | 
 | // * constant unnamed string with NVModuleID | 
 | // CUDARDC: [[MODULE_ID_GLOBAL:@.*]] = private constant | 
 | // CUDARDC-SAME: c"[[MODULE_ID:.+]]\00", section "__nv_module_id", align 32 | 
 | // * Make sure our constructor was added to global ctor list. | 
 | // LNX: @llvm.global_ctors = appending global {{.*}}@__[[PREFIX]]_module_ctor | 
 | // * Alias to global symbol containing the NVModuleID. | 
 | // CUDARDC: @__fatbinwrap[[MODULE_ID]] ={{.*}} alias { i32, i32, ptr, ptr } | 
 | // CUDARDC-SAME: ptr @__[[PREFIX]]_fatbin_wrapper | 
 |  | 
 | // Test that we build the correct number of calls to cudaSetupArgument followed | 
 | // by a call to cudaLaunch. | 
 |  | 
 | // LNX: define{{.*}}kernelfunc | 
 |  | 
 | // New launch sequence stores arguments into local buffer and passes array of | 
 | // pointers to them directly to cudaLaunchKernel | 
 | // CUDA-NEW: alloca | 
 | // CUDA-NEW: store | 
 | // CUDA-NEW: store | 
 | // CUDA-NEW: store | 
 | // CUDA-NEW: call{{.*}}__cudaPopCallConfiguration | 
 | // CUDA-NEW: call{{.*}}cudaLaunchKernel | 
 |  | 
 | // Legacy style launch sequence sets up arguments by passing them to | 
 | // [cuda|hip]SetupArgument. | 
 | // CUDA-OLD: call{{.*}}[[PREFIX]]SetupArgument | 
 | // CUDA-OLD: call{{.*}}[[PREFIX]]SetupArgument | 
 | // CUDA-OLD: call{{.*}}[[PREFIX]]SetupArgument | 
 | // CUDA-OLD: call{{.*}}[[PREFIX]]Launch | 
 |  | 
 | // HIP: call{{.*}}[[PREFIX]]SetupArgument | 
 | // HIP: call{{.*}}[[PREFIX]]SetupArgument | 
 | // HIP: call{{.*}}[[PREFIX]]SetupArgument | 
 | // HIP: call{{.*}}[[PREFIX]]Launch | 
 | __global__ void kernelfunc(int i, int j, int k) {} | 
 |  | 
 | // Test that we've built correct kernel launch sequence. | 
 | // LNX: define{{.*}}hostfunc | 
 | // CUDA-OLD: call{{.*}}[[PREFIX]]ConfigureCall | 
 | // CUDA-NEW: call{{.*}}__cudaPushCallConfiguration | 
 | // HIP: call{{.*}}[[PREFIX]]ConfigureCall | 
 | // LNX: call{{.*}}kernelfunc | 
 | void hostfunc(void) { kernelfunc<<<1, 1>>>(1, 1, 1); } | 
 | #endif | 
 |  | 
 | // Test that we've built a function to register kernels and global vars. | 
 | // ALL: define internal void @__[[PREFIX]]_register_globals | 
 | // ALL: call{{.*}}[[PREFIX]]RegisterFunction(ptr %0, {{.*}}kernelfunc{{[^,]*}}, {{[^@]*}}@0 | 
 | // ALL-DAG: call void {{.*}}[[PREFIX]]RegisterVar(ptr %0, {{.*}}device_var{{[^,]*}}, {{[^@]*}}@1, {{.*}}i32 0, {{i32|i64}} 4, i32 0, i32 0 | 
 | // ALL-DAG: call void {{.*}}[[PREFIX]]RegisterVar(ptr %0, {{.*}}constant_var{{[^,]*}}, {{[^@]*}}@2, {{.*}}i32 0, {{i32|i64}} 4, i32 1, i32 0 | 
 | // ALL-DAG: call void {{.*}}[[PREFIX]]RegisterVar(ptr %0, {{.*}}ext_device_var_def{{[^,]*}}, {{[^@]*}}@3, {{.*}}i32 0, {{i32|i64}} 4, i32 0, i32 0 | 
 | // ALL-DAG: call void {{.*}}[[PREFIX]]RegisterVar(ptr %0, {{.*}}ext_constant_var_def{{[^,]*}}, {{[^@]*}}@4, {{.*}}i32 0, {{i32|i64}} 4, i32 1, i32 0 | 
 | // LNX_17-DAG: [[PREFIX]]RegisterVar(ptr %0, {{.*}}inline_var | 
 | // LNX_17-NOT: [[PREFIX]]RegisterVar(ptr %0, {{.*}}inline_var2 | 
 | // ALL: ret void | 
 |  | 
 | // Test that we've built a constructor. | 
 | // LNX: define internal void @__[[PREFIX]]_module_ctor | 
 |  | 
 | // In separate mode it calls __[[PREFIX]]RegisterFatBinary(&__[[PREFIX]]_fatbin_wrapper) | 
 | // HIP only register fat binary once. | 
 | // HIP: load ptr, ptr @__hip_gpubin_handle | 
 | // HIP-NEXT: icmp eq ptr {{.*}}, null | 
 | // HIP-NEXT: br i1 {{.*}}, label %if, label %exit | 
 | // HIP: if: | 
 | // CUDANORDC: call{{.*}}[[PREFIX]]RegisterFatBinary{{.*}}__[[PREFIX]]_fatbin_wrapper | 
 | //   .. stores return value in __[[PREFIX]]_gpubin_handle | 
 | // CUDANORDC-NEXT: store{{.*}}__[[PREFIX]]_gpubin_handle | 
 | //   .. and then calls __[[PREFIX]]_register_globals | 
 | // HIP: call{{.*}}[[PREFIX]]RegisterFatBinary{{.*}}__[[PREFIX]]_fatbin_wrapper | 
 | //   .. stores return value in __[[PREFIX]]_gpubin_handle | 
 | // HIP-NEXT: store{{.*}}__[[PREFIX]]_gpubin_handle | 
 | //   .. and then calls __[[PREFIX]]_register_globals | 
 | // HIP-NEXT: br label %exit | 
 | // HIP: exit: | 
 | // HIP-NEXT: load ptr, ptr @__hip_gpubin_handle | 
 | // CUDANORDC-NEXT: call void @__[[PREFIX]]_register_globals | 
 | // HIP-NEXT: call void @__[[PREFIX]]_register_globals | 
 | // * In separate mode we also register a destructor. | 
 | // CUDANORDC-NEXT: call i32 @atexit(ptr @__[[PREFIX]]_module_dtor) | 
 | // HIP-NEXT: call i32 @atexit(ptr @__[[PREFIX]]_module_dtor) | 
 |  | 
 | // With relocatable device code we call __[[PREFIX]]RegisterLinkedBinary%NVModuleID% | 
 | // CUDARDC: call{{.*}}__[[PREFIX]]RegisterLinkedBinary[[MODULE_ID]]( | 
 | // CUDARDC-SAME: __[[PREFIX]]_register_globals, {{.*}}__[[PREFIX]]_fatbin_wrapper | 
 | // CUDARDC-SAME: [[MODULE_ID_GLOBAL]] | 
 |  | 
 | // Test that we've created destructor. | 
 | // CUDANORDC: define internal void @__[[PREFIX]]_module_dtor | 
 | // HIP: define internal void @__[[PREFIX]]_module_dtor | 
 | // CUDANORDC: load{{.*}}__[[PREFIX]]_gpubin_handle | 
 | // HIP: load{{.*}}__[[PREFIX]]_gpubin_handle | 
 | // CUDANORDC-NEXT: call void @__[[PREFIX]]UnregisterFatBinary | 
 | // HIP-NEXT: icmp ne ptr {{.*}}, null | 
 | // HIP-NEXT: br i1 {{.*}}, label %if, label %exit | 
 | // HIP: if: | 
 | // HIP-NEXT: call void @__[[PREFIX]]UnregisterFatBinary | 
 | // HIP-NEXT: store ptr null, ptr @__hip_gpubin_handle | 
 | // HIP-NEXT: br label %exit | 
 | // HIP: exit: | 
 |  | 
 | // There should be no __[[PREFIX]]_register_globals if we have no | 
 | // device-side globals, but we still need to register GPU binary. | 
 | // Skip GPU binary string first. | 
 | // CUDANOGLOBALS-NOT: @{{.*}} = private constant{{.*}} | 
 | // HIPNOGLOBALS-NOT: @{{.*}} = internal constant{{.*}} | 
 | // NOGLOBALS-NOT: define internal void @__{{.*}}_register_globals | 
 | // NOGLOBALS-NOT: define internal void @__{{cuda|hip}}_module_ctor | 
 | // NOGLOBALS-NOT: call{{.*}}{{cuda|hip}}RegisterFatBinary{{.*}}__{{cuda|hip}}_fatbin_wrapper | 
 | // NOGLOBALS-NOT: call void @__{{cuda|hip}}_register_globals | 
 | // NOGLOBALS-NOT: define internal void @__{{cuda|hip}}_module_dtor | 
 | // NOGLOBALS-NOT: call void @__{{cuda|hip}}UnregisterFatBinary | 
 |  | 
 | // There should be no constructors/destructors if we have no GPU binary. | 
 | // NOGPUBIN-NOT: define internal void @__{{cuda|hip}}_register_globals | 
 | // NOGPUBIN-NOT: define internal void @__{{cuda|hip}}_module_ctor | 
 | // NOGPUBIN-NOT: define internal void @__{{cuda|hip}}_module_dtor |